XC6118C17AMR-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	1.7V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-25

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Introduction to XC6118C17AMR-G

XC6118C17AMR-G is an ultra-low power system reset supervisor for battery-powered applications. The supervisor provides a reset signal when supply voltage and input conditions fall outside of pre-programmed thresholds. It monitors a wide input voltage range and has an adjustable reset threshold. It also provides digital monitor and power-fail/Watchdog timer detection to ensure operation of digital system.

Categories of XC6118C17AMR-G

XC6118C17AMR-G is a type of PMIC (Power Management IC) - Supervisors. PMIC - Supervisors, or reset supervisors, provide the supervisor function of a microcontroller to monitor operations. They can also monitor system power,input/output states,and provide protection features against pin noise, system reset/power-down conditions, and reverse current paths.

Application Field and Working Principle of XC6118C17AMR-G

XC6118C17AMR-G is designed for battery-powered applications such as wearable, portable and digital consumer devices due to its ultra-low power consumption and reset function. The supervisor runs on power from 1.0V to 5.5V and requires a minimum of only 9nA typical current to monitor systems and provide a reset function. It also provides adjustable reset delay and threshold voltage, digital monitoring, and power-fail/watchdog timer detections.The working principle of XC6118C17AMR-G is based on the comparison of the system voltage and the reset threshold voltage. It performs voltage monitoring continuously and can generate a power-on reset signal when the system voltage (VDD) falls below the reset threshold voltage (VTH). This supervisor has two modes of operation: manual reset (MR) mode and auto reset (AR) mode.In manual reset (MR) mode, the supervisor provides an active low reset signal to reset the system after a voltage threshold has been detected. The reset output state is held low until the MR pin is pulled low by the user. This allows manual clearing of the reset signal and initialization of the system.In auto reset (AR) mode, the supervisor will reset the system only when the input voltage is lower than the reset threshold voltage, and the reset will automatically be maintained until the system startup is completed. The reset signal will be automatically cleared by the supervisor itself when voltage rises above the reset threshold voltage.The XC6118C17AMR-G also provides monitoring for power-fail and watchdog signals detected. The power-fail detection circuit monitors digital input signals for a logic high level, which signifies a power-failure. The watchdog timer can be used to detect abnormal system operation, and resets the system if no response is detected addressed to the watchdog circuit within the specified period of time.

Conclusion

XC6118C17AMR-G is an ultra-low power system reset supervisor with wide input voltage range and adjustable reset delay and threshold voltages. It has two modes of operation, manual reset (MR) mode and auto reset (AR) mode, and provides power-fail and watchdog detections for system monitoring. It is designed for battery-powered applications, such as wearable, portable and digital consumer devices, due to its low power consumption and powerful reset function.

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